Typo fixes (ok, mplayer team, enough laughing ;)

Originally committed as revision 1950 to svn://svn.ffmpeg.org/ffmpeg/trunk

Changelog

@@ -13,7 +13,7 @@ Upcoming version 0.4.7:
 - Sorenson Version 3 codec (SVQ3) support has been added (decoding only) - donated
   by anonymous
 - AMR format has been added (Johannes Carlsson)
-- 3gp support has been added (Johannes Carlsson, improved by Johannes Carlson)
+- 3gp support has been added (Johannes Carlsson, improved by Johannes Carlsson)
 - VP3 codec has been added (Mike Melanson)
 - more MPEG-1/2 fixes
 - Better Multi platform support, MS Visual Studio fixes (various)